I Gusti Ayu Ari Agung; I Nyoman Panji Triadnya Palgunadi; Putu Ayu Mahendri Kusumawati; I Gusti Agung Ayu Hartini; Dewi Farida Nurlitasari. CHEWING BETEL LEAVES (Piper Betle Linn.): PREVENT ORODENTAL DISEASE AND COVID-19. IJASSD 2021, 3, 46-50.